Finding the Fourth Proportional to 73,698,989.74, 101,704,037.84 and 40,660,631.36
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Solution
The fourth proportional to 73,698,989.74, 101,704,037.84 and 40,660,631.36 is: 56,111,357.90
Step by Step Solution
- Step 1: Write the proportion equation
73,698,989.74 : 101,704,037.84 = 40,660,631.36 : x - Step 2: Convert to fraction form
73,698,989.74/101,704,037.84 = 40,660,631.36/x - Step 3: Cross multiply
73,698,989.74x = 101,704,037.84 × 40,660,631.36 - Step 4: Simplify right side
73,698,989.74x = 4,135,350,390,435,730.50 - Step 5: Solve for x
x = 4,135,350,390,435,730.50/73,698,989.74 - Step 6: Final answer
x = 56,111,357.90
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.